OpenTechnical

OT-2026-000062068

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000062068) never changes.

Identity and time

Publication numberOT-2026-000062068 · never reused
Internal UUID01a0ae8b-b8b0-78eb-a22e-5f09868a3048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062068
StatusPUBLIC

Content hashes

Canonical text05cd5ea41d44fc00df5b13e57083cff98e7652abae35a211289bef87942ad637
Markdown23d1143082333df5cf87c3cde71e23799b2a0af96790837617709087d1b866c1
PDF
Publication page596b06e1eb9bd8b43713468a12db7784a67e45224f2c9175648011aa6faa0ab3
Manifest5510743801311a37e73188edd403297cb69dec2519e5fe3558e6b438d4558f15

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyFZrpFcXrjwJunJZjb+JV8pI4kIg13IfHf9F1jQP/HxmfTWgMqcWue6C51tgXhYzbm9qXf7RWMhRl3rN6yueAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:06.962546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062068
observed 596b06e1eb9bd8b43713468a12db7784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.944815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062068/manifest.json
observed 5510743801311a37e73188edd403297c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.926357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062068/publication.md
observed 23d1143082333df5cf87c3cde71e2379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.908216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062068/publication.txt
observed 05cd5ea41d44fc00df5b13e57083cff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.